diff --git a/doc_cn/conf.py.in b/doc_cn/conf.py.in
index bd4691d694d87efee0c8edd1a93f1f5d579f52bd..e1c63cf9f1125175993490fdb14118f6cc68aa88 100644
--- a/doc_cn/conf.py.in
+++ b/doc_cn/conf.py.in
@@ -26,7 +26,7 @@ sys.path.insert(0, '@PROJ_ROOT@/python')
 # -- General configuration ------------------------------------------------
 
 # General information about the project.
-project = u'PADDLE'
+project = u'PaddlePaddle'
 author = u'%s developers' % project
 copyright = u'2016, %s' % author
 github_doc_root = ''
diff --git a/doc_cn/index.md b/doc_cn/index.md
index 0beaa5852b5633ec00b4ef2149a4482064daf1ed..3def815dd9da01f657c92df77e50d441d030cf56 100644
--- a/doc_cn/index.md
+++ b/doc_cn/index.md
@@ -1,4 +1,4 @@
-Paddle文档
+PaddlePaddle文档
 ===================
 
 * [快速入门](demo/quick_start/index.md)